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Finding the Fourth Proportional to 503,501.16, 755,261.80 and 187,895.10

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Solution

The fourth proportional to 503,501.16, 755,261.80 and 187,895.10 is: 281,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,501.16 : 755,261.80 = 187,895.10 : x
  2. Step 2: Convert to fraction form
    503,501.16/755,261.80 = 187,895.10/x
  3. Step 3: Cross multiply
    503,501.16x = 755,261.80 × 187,895.10
  4. Step 4: Simplify right side
    503,501.16x = 141,909,991,437.18
  5. Step 5: Solve for x
    x = 141,909,991,437.18/503,501.16
  6. Step 6: Final answer
    x = 281,846.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.